Scenic kayak tour: Following an introductory paddling lesson, paddle from Glorietta Bay and under the Coronado Bridge to the Coronado Ferry Landing. 9 a.m. to noon March 20 at Glorietta Bay on the Silver Strand. $65 per adult, additional $20 for a child age 6-12 in double kayak with parent. Registration: sdnhm.org.

Nature hike: On this Elfin Forest Recreational Preserve hike, enjoy wildflowers and the soothing sounds of Escondido Creek, hike uphill on the Botanical Loop Trail and continue to the top of the ridge. 10 a.m. to noon March 20 . Free. Information and directions: sdnhm.org/canyoneers or (619) 255-0171.

Birds of the sea: Learn more about oceangoing birds and their migrations and discover how adaptations allow them to survive in a watery world. 11 a.m. to 3 p.m. March 20 at Birch Aquarium at Scripps, 2300 Expedition Way, La Jolla. Cost: $12 adult, $9 senior, $8.50 age 3-17. Registration: (858) 534-3474.

Dramatic historic presentation: Author James Thomas, dressed as an explorer, and his wife, dressed as Sacagawea, talk about Lewis and Clark. 1 p.m. March 20 at Heritage of the Americas Museum, 12110 Cuyamaca College Drive W., El Cajon. Cost: $5. Information: (619) 670-5194 or cuyamaca.edu/museum.

Nature hike: Hike the Mount Calavera Open Space, a volcanic plug that is estimated to be 28 million years old. 10 a.m. to noon March 21. Free. Information and directions: sdnhm.org/canyoneers or (619) 255-0171.

Puppet show: “Benito Bunny’s Great Easter Egg Hunt!” will be performed at 10 and 11:30 a.m. March 24-26 at the Marie Hitchcock Puppet Theatre, 2130 Pan American Place, Balboa Park. Cost: $5 adults, $4 ages 64 and older, and $3 for children ages 2 and older. Information: (619) 544-9203.